Found in a 1967 Electronic Design, this circuit changes the phase of a signal in 8 different ways, given by the formulas next to the diagram. Equivalent general-purpose transistors can be used.
This fast circuit was found in an ancient American documentation. Output conversion speed is 30 ns and...
The filter shown in the figure can operate with frequencies up to several tens of megahertz thanks...
This audio amplifier has an internal DC volume control with logarithmic characteristics and a...